| 摘要 |
FIELD: transport.SUBSTANCE: intake silencer chamber accommodates, at least, one high-frequency porous noise-absorbing module composed by separate crushed noise-absorbing elements. Said elements are made of identical or different noise-absorbing materials with identical or different physical characteristics, chemical composition, porosity, quantity and combination of porous layer structures in one-layer and/or sandwich combinations. Said elements feature identical or different geometrical shape and sizes making, preferably, 5-100 mm to kill high-frequency noise.EFFECT: better noise killing properties of ICE intake silencer integrated with vehicle body bumper.14 cl, 10 dwg |
